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I am working with La(PrCp)3 Precursor in my Lab. I am not getting enough thickness after oxide layer deposition with ALD. To solve this issue I want to know about the precursor's chemical...
17 February 2020 5,836 3 View
which is an appropriate method for enhancing the piezoelectric property of semiconductor materials? How it will improve the properties?
11 February 2020 1,323 3 View
Hi, I'm recently thinking about the distribution of electric field in a forward biased PN junction, what's confusing me is that the built-in electric field has the opposite direction, which makes...
05 February 2020 3,530 4 View
If band structure is anisotropic in k-space, then how will the convergence of two bands normally appearing at two different symmetric point in the Brillouin zone will enhance See-back Coefficient?
05 February 2020 2,026 3 View
I'm a student in materials technology. Currently, my work is about codoping ZnS with Mn and Cu. However, i have some problem with the dopant substitute. I mean, how to determine which place that...
04 February 2020 1,924 7 View
Hi Im looking forward a semiconductor material with smaller band gap of InSb. someone can introduce it to me?
03 February 2020 6,167 3 View
I am concerned about the energies of EM radiations. Like the visible has an energy in the range of 1eV, UV has an energy of 10 eV. So when we shine the EM on a semiconductor, how does it affect...
31 January 2020 2,467 3 View
In doped semiconductor samples it is very interesting to know the position of these atoms, if it is interstitial, substitutional, etc.
29 January 2020 922 3 View
I have seen many answers to the question on how to determine the band gap of a semi-conductor, but that always implies the use of UV-Vis Spectroscopy. However, the problem with this method is that...
29 January 2020 9,096 7 View
How can I increase the electron velocity in a semiconductor? Is there a method of excitation?
24 January 2020 4,211 6 View
A100nm of Chromium is used as a sacrificial layer which is to be removed in order to have a microcantilever suspended. However, after wet etching of Chromium, immersing in DI water, and drying by...
20 January 2020 2,345 4 View
As we know, upon illumination, electron-hole pairs generate in the semiconductor and separate due to built-in-potential at the junction. Now, my question is if the light (635 nm) illuminates on a...
20 January 2020 8,426 2 View
Can an electron and a hole have one common coordinate y_0 of the center of the quantum orbit in a two-dimensional semiconductor in a magnetic field? (if they have the same or opposite directions...
17 January 2020 5,192 8 View
What is the average density of excitons on a two-dimensional semiconductor in an external magnetic (and without magnetic) field? What is the dependence of this density on the magnetic field B?
13 January 2020 351 2 View
Why the energy band diagram of n- type material in silicon semiconductors are lower than the energy band diagram of p- type material?
31 December 2019 2,960 13 View
I did some doping in a semiconductor and I have observed a shift from indirect band gap to direct. Prestine material has indirect band gap while doped material has Direct Band gap. My Question is,...
25 December 2019 6,656 7 View
I have prepared binary semiconductor (AB, where A and B are two different semiconductor) material in an one pot combustion method. Can any one suggest, how to calculate the percentage of...
18 December 2019 2,870 2 View
I know reduction reaction of Silica with carbon, also principle of Zone refining or single-crystal generation process. I also heard of silicon chloride purification process,But I know not ore...
20 November 2019 988 4 View
I have performed UPS analysis of a semiconductor, and obtained the following spectrum. According to literature, I calculated the work function to be -2 eV (taking EF=2.5 eV, hv=11 eV, and cutoff...
11 November 2019 5,640 4 View
I hve prepared a Doped Zno with diff conc. For photodegradation of a phenolic pollutant I got absorbance value higher. Is it mean that it can't be used for it or I should try something else
11 November 2019 8,603 4 View
Hello I want to know, how to chose appropriate semiconductor material for QD synthesis? it is base on bandgap? or something else? how scientists know that the I-III-VI elements (for example) are...
08 November 2019 748 2 View
I want different new ways for this subject.
07 November 2019 8,052 2 View
05 November 2019 3,605 4 View
I have a nanocomposite with three phases, i.e. Al2O3, TiO2, and Al2TiO5. I want to determine the band gap of this mixture. Is it true to report different band gap values for each phase or should I...
29 October 2019 5,924 2 View